| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-13924, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | BLACK CHEMICAL FINISH OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.20 INCHES MINIMUM AND 1.24 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |
| COLOR | BLACK OVERALL |
| FASTENER LENGTH | 3.23 INCHES MINIMUM AND 3.27 INCHES MAXIMUM |
| GRIP DIAMETER | 0.196 INCHES MINIMUM AND 0.206 INCHES MAXIMUM |
| GRIP LENGTH | 2.03 INCHES NOMINAL |
| HEAD HEIGHT | 0.23 INCHES MINIMUM AND 0.27 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, SPEAKER |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.187 INCHES |
| WIDTH BETWEEN FLATS | 0.48 INCHES MINIMUM AND 0.52 INCHES MAXIMUM |